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Lidarr/NzbDrone.Core/Datastore/Converters/EmbeddedDocumentConverter.cs

48 lines
1.1 KiB

using System;
using Marr.Data.Converters;
using Marr.Data.Mapping;
using Newtonsoft.Json;
namespace NzbDrone.Core.Datastore.Converters
{
public class EmbeddedDocumentConverter : IConverter
{
public object FromDB(ColumnMap map, object dbValue)
{
if (dbValue == DBNull.Value)
{
return DBNull.Value;
}
var stringValue = (string)dbValue;
if (string.IsNullOrWhiteSpace(stringValue))
{
return null;
}
return JsonConvert.DeserializeObject(stringValue, map.FieldType);
}
public object ToDB(object clrValue)
{
if (clrValue == null) return null;
if (clrValue as IEmbeddedDocument == null)
{
throw new InvalidOperationException("Attempted to embedded an object not marked with IEmbeddedDocument");
}
var json = JsonConvert.SerializeObject(clrValue);
return json;
}
public Type DbType
{
get
{
return typeof(string);
}
}
}
}